Additional IP Rights Grant (Patents)"This implementation" means the copyrightable works distributed byGoogle as part of the LibYuv code package.Google hereby grants to you a perpetual, worldwide, non-exclusive,no-charge, irrevocable (except as stated in this section) patentlicense to make, have made, use, offer to sell, sell, import,transfer, and otherwise run, modify and propagate the contents of thisimplementation of the LibYuv code package, where such license appliesonly to those patent claims, both currently owned by Google andacquired in the future, licensable by Google that are necessarilyinfringed by this implementation of the LibYuv code package. Thisgrant does not include claims that would be infringed only as aconsequence of further modification of this implementation. If you oryour agent or exclusive licensee institute or order or agree to theinstitution of patent litigation against any entity (including across-claim or counterclaim in a lawsuit) alleging that thisimplementation of the LibYuv code package or any code incorporatedwithin this implementation of the LibYuv code package constitutesdirect or contributory patent infringement, or inducement of patentinfringement, then any patent rights granted to you under this Licensefor this implementation of the LibYuv code package shall terminate asof the date such litigation is filed.